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Quadraticequation. by factorisation method.4y² +4y+ 1 =0 |
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Answer» Step-by-step explanation: =>4y^2+2Y+2y+1=0 =>2y(2y+1)+1(2y+1)=0 =>(2y+1)(2y+1)=0 2y+1=0 =>2y= -1 =>y= -1/2 |
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